diff --git a/Documentation/gsdoc/Base.gsdoc b/Documentation/gsdoc/Base.gsdoc
index 8256255f1..db879b575 100644
--- a/Documentation/gsdoc/Base.gsdoc
+++ b/Documentation/gsdoc/Base.gsdoc
@@ -131,10 +131,12 @@
 	  <deflist>
 	    <term>CRASH_ON_ABORT</term>
 	    <desc>
-	      The default exception handler will either cause the program to
-	      simply terminate, or to crash - leaving a core dump.  The
-	      standard behavior is to leave a core dump if the library was
-	      built for debugging, and to simply exit if it was not.
+	      <p>
+		The default exception handler will either cause the program to
+		simply terminate, or to crash - leaving a core dump.  The
+		standard behavior is to leave a core dump if the library was
+		built for debugging, and to simply exit if it was not.
+	      </p>
 	      <p>
 		The CRASH_ON_ABORT environment variable can be used to
 		override this behavior.  If this is defined to <em>NO</em>,
@@ -143,6 +145,149 @@
 		variable will cause the program to generate a core dump.
 	      </p>
 	    </desc>
+	    <term>GNUSTEP_STRING_ENCODING</term>
+	    <desc>
+	      <p>
+		This is used to specify the default encoding for 8-bit
+		strings.  It defaults to NSISOLatin1StringEncoding, but
+		may be any of the 8-bit encodings supported by your system
+		(excluding multi-byte encodings).
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_HOST_CPU</term>
+	    <desc>
+	      <p>
+		Used in place of GNUSTEP_TARGET_CPU if the other is missing.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_HOST_DIR</term>
+	    <desc>
+	      <p>
+		Used in place of GNUSTEP_TARGET_DIR if the other is missing.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_HOST_OS</term>
+	    <desc>
+	      <p>
+		Used in place of GNUSTEP_TARGET_OS if the other is missing.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_LOCAL_ROOT</term>
+	    <desc>
+	      <p>
+		Used to specify the GNUstep root directory for local
+		(non-system) resources.  Typically all locally produced
+		or contributed software is installed relative to this.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_NETWORK_ROOT</term>
+	    <desc>
+	      <p>
+		Used to specify the GNUstep root directory for local
+		(non-system) resources that are intended to be shared
+		across a local network.  Typically this is an NFS exported
+		directory shared by many machines.  It provides an
+		alternative to GNUSTEP_LOCAL_ROOT.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_SYSTEM_ROOT</term>
+	    <desc>
+	      <p>
+		Used to specify the GNUstep system root directory ... all
+		system libraries, tools, applications, headers, resources
+		in general are located relative to this.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_USER_ROOT</term>
+	    <desc>
+	      <p>
+		Used to specify the GNUstep directory in which resources
+		specific to the current user are located.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_TARGET_CPU</term>
+	    <desc>
+	      <p>
+		Overrides the default value of the machine (hardware)
+		name used on this system.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_TARGET_DIR</term>
+	    <desc>
+	      <p>
+		Overrides the default path used to locate subdirectories
+		for GNUstep binaries withing bundles and applications.
+		This is normally equivalent to a path made up of the
+		GNUSTEP_TARGET_CPU and GNUSTEP_TARGET_OS
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_TARGET_OS</term>
+	    <desc>
+	      <p>
+		Overrides the default value of the operating system
+		name used on this system.
+	      </p>
+	    </desc>
+	    <term>GNUSTEP_TZ</term>
+	    <desc>
+	      <p>
+		Used to specify the timezone to be used if there is no
+		timezone specified in the user defaults system.
+		The preferred
+		mechanism is to use the 'Local Time Zone' value from the
+		user defaults system.
+	      </p>
+	    </desc>
+	    <term>HOMEDRIVE</term>
+	    <desc>
+	      <p>
+		Used on windoze to locate the home directory.
+	      </p>
+	    </desc>
+	    <term>HOMEPATH</term>
+	    <desc>
+	      <p>
+		Used on windoze to locate the home directory.
+	      </p>
+	    </desc>
+            <term>LANGUAGES</term>
+            <desc>
+              <p>
+                If there is no NSLanguages user default set, and there is
+		no language infromation available in the native system locale
+		mechanism, then this environment variable is used to provide
+		a list of the languages that the user prefers to use.
+		languages listed in this variable must be separated by
+		semicolons.
+              </p>
+            </desc>
+            <term>LOGNAME</term>
+            <desc>
+              <p>
+                This is used as the default value for the current user
+		(as returned by the NSUserName() functions).  If it is not
+		specified, or contains an illegal value, other methods are
+		used to get the user name.
+              </p>
+            </desc>
+            <term>LIBRARY_COMBO</term>
+            <desc>
+              <p>
+                Used to override the default value of the combination
+		of standard libraries used to build binaries.  This
+		value locates the final subdirectory used to locate binaries.
+              </p>
+            </desc>
+	    <term>TZ</term>
+	    <desc>
+	      <p>
+		Used to specify the timezone to be used if there is no
+		timezone specified by any other mechanism.  The preferred
+		mechanism is to use the 'Local Time Zone' value from the
+		user defaults system.
+	      </p>
+	    </desc>
+
 	  </deflist>
 	</subsect>
       </section>